Find the third, fifth, and seventeenth terms of the sequence described by the explicit formula: f(n)=-9.2-2.5(n-1)

Given:

The explicit formula of a sequence is

To find:

The third, fifth, and seventeenth terms of the sequence.

Solution:

We have,

For n=3,

For n=5,

For n=7,

Therefore, the third, fifth, and seventeenth terms of the sequence are -14.2, -19.2 and -24.2 respectively.

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